Title:
プラスチック材料の射出成形装置及びそれに対応するパリソンの製造方法
Document Type and Number:
Japanese Patent JP4458331
Kind Code:
B2
Abstract:
In the molding of parisons made of thermoplastic material for making bottles for containing effervescent beverages, resistance to bursting of the bottles is increased considerably the gasket ( 4 ) between the injector nozzle ( 3 ) and the injection cavity ( 1 ) is made of thermally insulating material and has a shape that is complementary to the shape of the cavity ( 1 ) for housing the end of the injector ( 3 ) in the injection cavity ( 1 ). Cutting of the sprue in specific conditions increases still more the resistance to bursting.
Inventors:
Zopus Matteo
Gandin Pietro
Gandin Pietro
Application Number:
JP2003547143A
Publication Date:
April 28, 2010
Filing Date:
November 26, 2002
Export Citation:
Assignee:
S.P.A.S.Societa'Industria Resage One Progetta Gione et Automagione Societa Pell
International Classes:
B29C45/28; B29C45/27; B29C45/38
Domestic Patent References:
| JP11254488A | ||||
| JP9267365A | ||||
| JP2002316342A |
Other References:
プラスチック・データブック,株式会社工業調査会,1999年12月 1日,12頁
Attorney, Agent or Firm:
Jyohei Yamashita